Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
Dived here today? How were conditions vs. what we showed?
About this site
Rarotonga is the largest of the Cook Islands, a volcanic island in the South Pacific ringed by a fringing coral reef and lagoon. The Caves site lies along this reef edge, where boat and shore dives access the drop-off outside the lagoon.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Blue-black UrchinEchinothrix diademaReported here · unconfirmed
Indo-Pacific Rock-boring UrchinEchinometra mathaeiReported here · unconfirmed
Greenfish Sea CucumberStichopus chloronotusReported here · unconfirmed
Lollyfish Sea CucumberHolothuria atraReported here · unconfirmed
Black Sea CucumberHolothuria leucospilotaReported here · unconfirmed
Surf RedfishActinopyga mauritianaReported here · unconfirmed
Blue LinckiaLinckia laevigataReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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